Ventilating apparatus



Nov. 10, 1936. A SARGEN-r 2,060,764

VENTILATING APPARATUS File@ July 11, 1932 3 sheetsfs'heet 1 Patented Nov. 10, 1936 UNITED STATES VENTILATIN G APPARATUS Allston Sargent, Bronxville, N. Y., assgnor to Campbell Metal Window Corporation, New York, N. Y., a corporation of Maryland Application July 11, 1932, Serial No. 621,865

4 Claims.

' My invention -relates to new and useful improvements in Ventilating apparatus of the type to be installed in a room of abuilding or the like,

and refers more particularly to an apparatus for 5 cooling, the air supplied to the room.

An object of my invention is to provide an apparatus in which the air is cooled by a refrigerating system.

Another object lis to provide means for cooling the refrigerant condenser.

Another object is to provide a condenser cooling means which may be employed to withdraw air from the room.

The invention consists in the improved construction and combination of parts, to be more fully described hereinafter, and the novelty of which will be particularly pointed out and distinctly claimed.

In the accompanying drawings, to be taken. as

a part of this specication, I have fully and clearly illustrated two embodiments of my invention, in which drawings- Figure l is a view in front elevation of an apparatus embodying my invention;

Fig. 2 is an enlarged view in sectionon the line 2-2 of Fig. 1;

Fig. 3 is a top plan view of the apparatus shown in Fig. 1;

Fig. 4 is an enlarged view in section on the line 4 4 of Fig. l and showing one embodiment of my invention;

Fig. 5 is an enlarged view in section of another embodiment of my invention, taken on the line 5-5 of Fig. 6, and

Fig. 6 is a view in section on a reduced scale taken on the line 6--6 of Fig. 5.

Referring to the drawings'by characters of reference, I designates, generally, a floor of a room or other compartment in abuilding, having a 40 wall 2 in which are window openings 3, 4 closed by windows 5, 6, respectively. Positioned Within the room and supported by the floor, there are cabinets 1, 8 set substantially against the wall and preferably substantially beneath and in front of the windows 5, 6, respectively.

, The cabinet 1 contains an air conditioning and Ventilating apparatus, and is preferably substantially of the form and internal construction shown by Patent No. 1,949,379, granted February 27, 1934, on my copending application. For the purposes of the invention VVdisclosed by this application it is unnecessary tofillustrate and describe various special features of construction and arrangement of the cabinet l which are fully disclosed in said copending application, but it is to be noted that the cabinet is divided by a partition including an upper portion 1' and an oifset lower portion I into `two compartments or sections. The section of the cabinet I at the right of said partition is employed in the re- 5 circulation and cooling of room air, and may conveniently be designated as' a cooling section,

' and the section at the left of the partition is em- ,`II in the top wall of the cabinet 1. Also within the cooling section of the cabinet there is a cooling unit or element I2 supported in any suitable manner in the path of the air discharged by 20 the fan, so that theair will pass in'intimate heat exchange relation thereto and be eiiciently cooled in its passage through the cooling section of the cabinet. Such description'as is required herein of the fresh air section of the cabinet 'I is found 25 in a later portion of this specification.

Referring to Figs. 1', 3, and 4, the cabinet 8 is preferably substantially rectangular and has an inlet I3 in its front wall I4 at the lower portion thereof and adjacent the oor'. preferably providedwith louvres I5 or the like, and has a damper or closure member I6 mounted on a shaft I'I journaled in the end walls of the cabinet. One end of the shaft I'I which projects outside the cabinet, has an operating arm or lever 35 I8 thereon cooperable with a toothed sector I8 or the like for holding'the damper in adjusted open position and in tightly closed position, when desired. Within the cabinet 8 there is a compressor I9 which is driven by a motor 20, pref- 40 erably electrical, which may be connected through a control switch, not shown, to a source of electric current. 'Ihe compressor I9 may be of any of the well known forms or types for use in a mechanical refrigerating system. A con- 45 denser 2| is positioned within the cabinet in spaced relation to the front and rear walls thereof, and is preferably supported above the` compressor, as by mounting the same on the compressor casing, or a. separate .supporting struc- 50 ture may be employed, if desired. The condenser 2| is preferably of the finned tube type positioned within an open-ended casing 22 providing a substantially horizontal air .iiow passage therethrough in which the condenser is positioned. A 55 The inlet I3 is 30v ated by an arm or lever 38 fixed to the shaft 35 platform or supporting member 23 which projects from the bottom wall of the casing 22 on the inlet side of the condenser, serves tosupport an electric fan motor 24 having a horizontal amature shaft on which is fixed a fan. or impeller 25. The fan 25 is preferably of the propeller type, and is framed in the circular aperture of a baille plate 26 or the like. The outlet from the condenser and casing 22 opens into an outlet or discharge duct or conduit 21 which extends upwardly within the cabinet and opens through the topwall thereof. The conduit 21 is preferably sealed to the casing 22 so that` all the air discharged from the cabinet must 'pass through the casing and flowover the condenser. The conduit 21 leads to the outside 'of the building and in the'plane of the sill 28 of the window opening 4, the conduit is turned laterally and preferably at an angle to lie upon the sill23. The outlet end portion of the conduit 21 whichJ extends across the sill 28 terminates substantially in the plane of the window 6, the bottom cross frame member of, the window preferably engaging the top wall of the conduit. The conduit. at its outlet end preferably has lateral flanges 29 which close the open spaces at the sides of the conduit and beneath the window. The portion of the conduit which extends across the sill is preferably of telescopic construction, as clearly shown in Fig. 4, to permit the same to be adjusted to varying widths of sills. -The outlet or discharge opening of the conduit is also preferably provided with louvres 30 or the like. The vcabinet 8 is provided with an air inlet in the form of a conduit or duct 3| which extendsthrough the wall of the-building and opens into the rear of the cabinet. adjacent its bottom. This inlet conduitI-l is preferably lined with sound deadening material 32 which may be of felt, cork, or anyof the other known sound insulating'materials. and is provided with louvres 33 at its inlet end. Flow through this conduit 3| is controlled `by a damper or closure member 34 sup- .ported and xed on a shaft 35 supported in thev conduit adjacent its communication with the cabinet. 'I'he damper 34 is controlled and operto which a link A31 is pivotally connected. The other end of link 31 is pivoted to an 'arm or 'lever 38 rigid with an operating shaft 39 which projects through the end wall of the cabinet. On the projecting end of shaft 39 there is lan operating crank or lever arm 40 which is cooperable with a toothed sector or the like 4| xed to the outside of the cabinet end wall. The fore,- going operating mechanism for the damper 34 is merely one form which may be employed, it being obvious that other operating mechanism may be used. The cabinet 8 is sealed, except for'the above described inlets and outlet, and is preferably lined with soun'd deadening or insulating material, designated 42, the'damper I5 also preferably having an internal facing or 'backing 43 of such material. The sound insulating material in the conduit and cabinet serves to substantially eliminate the transmission of noise through the conduit into the building or room, and also 7overcomes transmission of vibration and noise from the motors, fan and compressor vto the room.

'I'he cabinet shown in Il'igs. .1, 3, 5 and 6 is substantially like that of Fig. 4, and therefore the primesv of reference characters applied to Fig. 4 will designate like parts in Figs. 5 and 6. The compressor I9' is connected by P1P@ 0r the shaft of a common fan motor 9".

' and an outlet duct or conduit 48 which lie side by side and are preferably divided by a vertical septum or partition 49. The upper ends of the conduits 41, 48 which project through the top wall of the cabinet have laterally extending portions 50 which are adapted to lie upon the window sill 28, the -partition 49 extending to the open ends of the portions ll.- Each conduit is provided with a hollow extension 5I which fits telescopically within its conduit to provide for sills of different widths. The adjacent sides of the extensions are joined and sealed together at their outer ends by a vertical spacer member, and also have at their outer ends laterally outward extending vertical flanges or partitions 52. The outer ends of the extensions 5| and the flanges 52 flt in the window opening and receive the bottom edge of the lwindow so as to seal the window openingagainst direct flow of air from and to the-room. The inlet conduit 41 is provided with a damper or closure member 53 which is supported on an operating shaft 54 journaled in the partition 49 and an end wall of the casing through which it projects. The projecting end of shaft 54 has an operating lever or crank l5 cooperable with a locking sector 56 to hold the damper in ladjusted position. The inlet conduit 41 within the casing has a substantially horizontal portion 51 which extends over the condenser v 2|' and has a downward opendischarge end 58 between ,the front wall of the cabinet and the condenser fan for supplying air from outside the building directly to the fan inlet. 'I'he outlet duct or conduit 48 which extends downward into the cabinet beside the conduit 41, projects, below the conduit 41 and is connected and sealed to the condenser casing, so -that all the air discharged from the cabinet must pass through the condenser casing and over the condenser. The previously mentioned fresh air section of the cabinet 1 includes a fan 9 which may be exactly like the fan 9 of the cooling section. The fans 9 and 9 are mounted on the opposite ends of The discharge conduit 59 of the fan 9' delivers air into the room through an outlet opening'll' in the top wall of the cabinet 1 which may be similar to, and is in end to end relation with the outlet Il of the 'cooling section. The fan 9' may draw fresh outside air through an air inlet conduit I9 which, as shown, is similar to the outlet end portion of the previously mentioned conduit 21 of the cabinet 1, and extends over the sill of the window 5 into communication with the outside air through that window exactly as the outlet end portion of the conduit 21 extends over the sill of the window 8 into communication with the outside air through the last mentioned win' dow. The air inlet-conduit extends over the top of the cabinet 1 above the cooling section as well as above the fresh air section of the latter, but communicates only with the fresh air section, communication between the conduit 69 fresh air to the fresh air section of the cabinet drawn into the cabinet will be discharged by the fan through the condenser casing 22 and through the finned condenser 2|. The warm air leaving the condenser willlpass into the discharge conduit 2,1 and be led thereby from the cabinet and through the window opening 4 where the used and heated air will be discharged to atmosphere outside of the building. The cooled and condensed refrigerant will be circulated through the cooling unit or element'by the pipes 45 and 48 and will be heated by the air discharged from the fan or blower 9 in its passage to the cabinet outlet I whence the 'cooled air will be discharged into the. room to cool the same. In the-winter, or at suclr other times as the refrigerating system is not in operation, or whenever desirable, the damper 34 may be closed and the damper I8 opened, so that the fan 25 will-act to discharge air from the room through the duct 21 to the outside of the building.

The operation of the construction including the apparatus shown in Figs. and 6 is substantially the same as that including the appa ratus of Fig. 4. With the 4damper I8' closed and the damper 53 open, as shown, the fan 25' will draw air into the cabinet through the window opening via conduit 41, which indrawn air will be discharged by the downturned conduit outlet 58 at th fan inlet. The indrawn air will be discharged by the fan through the condenser casing 22' and into intimate heat absorbing relation to thecondenser 2| to cool the condenser. 'Ihe warmed air leaving the condenser wlllenter the outlet duct 48 to which the condenser casing is sealed, and will be led thereby upwardly out of the cabinet and then laterally by the outlet'A extension 5| through the window opening to the outside of the building. This formmay also be lemployed for discharging air from the room by opening therdamperl I8' and closing the damper 53. Although I have shown'a condenser,v compressor, expander refrigerating system, it is to be understood that any other system'of refrigeration or cooling employing a condenser may be used'with equal facility in my apparatus.

It is to be noted that my apparatusprovides for-air cooling a condenser by outsidel air so that the room is not heated upby the air leaving the condenser, and that an eiiicient cooling system for the condenser is disclosed in which a forced draft of fresh or used cool air is utilized.

It is also to be noted that I have provided an emcient air cooling system for a room or compartment in which all of the apparatusis'installed in the room to be cooled, so that the con` denser cooling means may also be employed for discharging vitiated air from the room. The location of the apparatus partly in one and partly in another of two cabinets disposed in the described relation with two windows of the room.

makes itpossible to locate of the apparatus required for ventilating'and cooling a room within the latter, without objectionable reduction in the room space-'required for other purposes.' and having a conduit projection extending over the without making the room unsightly, and without appreciable impairment of the capacity of the room occupants to see external objects through the windows, or of the'light transmitting capacity of the windows. With the apparatus enclosed partly in one cabinet and partly in another, each cabinet may be generally similar in its spatial requirements and appearance to an ordinary enclosed radiator located in the customary manner immediately beneathand in front of a window. The establishment of `communication with the outside airnecessary for the introduction into the room of fresh air and for the discharge of vitiated room air and air used in cooling the refrigerating machinery partly, through the conduit extension of one and partly through the conduit extension of the other of the two cabinets, makes it possible to `form the, two conduit extensions of ample aggregate cross-section without requiring either to extendmore than a few inches above the corresponding windowsill.

kWhat I claim and desire to secure by Letters Patent of the United States is:\

1. An apparatus of the character described. comprising a cabinet adapted to be positioned in a room of a building` and having an inlet from the room and an an inlet from' outside the building, a damper controlling the room inlet, said cabinet having an outlet discharging to the outside of the building, a. refrigerant condenser in said cabinet, and a fan in said cabinet operable to draw air through one of said inlets and rdischarge the indrawn air over said condenser andthrough said outlet.

2. The combination-'with the wall of a room having two side by side window openings therein, of means for ventilatingsaid room 'and conditioning the air therein comprising two cabinets resting on the room floor one adjacent each-window and each having a conduit portion extending over'the sill of the adjacent window and establi'shing communication through the window between the. external air and the cabinet interior, apparatus in one cabinet comprising air moving means anda cooling device for supplying external air to the room and for recirculating and cooling room air, and refrigerating machinery in the' other cabinet supplying cooling fluid to said coolingv device and including a condenser,

and means for moving external air into the cabinet and over the condenser and returning it to the external atmosphere.

3. Apparatus forvefntilating and cooling the air in a roomhaving two windows in its outer wall comprising two cabinets adapted for placement on the room floor, one beneath each window and each having ,a conduit projection atits upperv end extending across the sill of-the corresponding l window and connecting the interior of the cabinet to theI external air, refrigerating machinery including a motor driven compressor, a fan, and an air-cooled condenser in one of said cabinets,

a cooling element and a motor driven fan in the n other of said cabinets, and conduit connections I between 'the cooling element and refrigeration machinery for the circulation of a cooling fluidi through said cooling element.

4. In apparatus for Ventilating and cooling the air in a room having. two windows in its outer.

wall, the combination lof means for Ventilating said room and ,conditioning the air-therein comprising two cabinets resting on the room oor one sill ofthe adjacent window and establishing comadjacent and beneath each window and each munication betwen the external air and the cabinet interior, apparatus in one cabinet comprising ysir moving means and a cooling element for supplying external air to the room and for recirculating and cooling room air, and refrigerating machinery in the other cabinet supplying cooling iluid to said cooling device and including a condenser, and means for moving machinery cooling air through Jthe last mentioned cabinet and outv of the latter through its said conduit projection.

ALLSTON BARGENT. 

